Level indicator for liquid mixtubes



Aug. 26, 1941.

M. VERDUZCO L'EVEL INDICATOR FOR LIQUID MIXTURES Filed Oct. 5, B59

INVNToRz' MHFHHNO 'VERDUzco BVC] I I QQ U HTTDRN Y Patented Aug. 26, 1941 UNITED STATES PATENT' QEFICE EL ENDICATOR. FOR LIQUD. MXTURES Mariano Verduzco, Mexico City, Mexico, l

Application October 5, 1939, Serial No. 298,045

.In Mexico October-8^, 1938 (Cl. 33e-126.7)

This invention relates to a device for graduating the contents of a cylindrical container. It is a well recognized fact that mixtures of various liquids such as paint colors may only be made by properly proportioning the quantities of each of the paint colors and their components if a uniform color is to be obtained from the mixed paints. j

One object of the present invention is to provide a novel device whereby such mixturesv of liquids may be measured by a single operating device which may be correlated with the containers for such mixtures.

A second object of the device is to provide a construction wherein, height of the container, the proportionate mixtures may be made. y

With the above and other objects in View, the invention consists in general of certain novel details of construction and combinations of parts hereinafter fully described, illustrated in the accompanying drawing, and particularly pointed out in the claims. I

In the accompanying drawing, like characters of reference indicate like parts in the several views, and:

Fig. 1 is a schematic side View of one form of the invention irrespective of the container.

Fig. 2 is a View similar to Fig. 1 showing the measuring device at the bottom of the' container.

Fig. 3 is a view similar to Fig. 1 showing the measuring device at the top of .the container.

Fig. 4 is a view of a'modied form of the device wherein a graduated segment is employed, the View showing the device at its lowest point of measurement.

Fig. 5 is a view similar to Fig. 1 but showing the device at its highest point of adjustment.

Fig. 6 is a view, partly in full lines and partly in dotted lines, showing the relative positions of the measuring devices in their highest and lowest points of adjustment.

Fig. 7 is a detail showing the liquid contacting end of a certain measuring device shown in connection herewith.

Fig. 8 is a further illustration of a form of this invention.

In the various forms of the invention there is provided a base I and from one end of this base there extends upwardly a post 2 which has its upper end curved to overhang the base I. At 3 is a platform adapted to have a container 4 res-t thereon and this platform is vertically slidable on the post 2, the platform being attached to a sleeve 3a through which a clamping screw 3b exindependently of the tends toengage the post 2 and thereby secure the platform 3 to any desired height, such height depending on the height of the container 4. It is to be observed that the post 2 is provided with graduations I0 which extend up to the point II at which the post starts to curve over the base I and the platform 3. At the upper end ofthe post 2- where it curves forwardly over the base I and platform 3, there is pivoted thereto a sleeve I which is preferably internally threaded and which is provided with a set screw 7a, the pivotal connection of the parts being indicated at 8. Through the sleeve 1 extends a rod which con* sists oi' an upper part 6 graduated throughout its entire length and of a lower part 5 carrying at its lower vend liquid contactindicators 9 specifically described in Fig. 7; It is obvious that rthis upper Arod part 6 may be ixed the sleeve I by the set screw 'Ia` and ythis upper part may be graduated or not as desired.

In all of the forms described and shown it will be obvious that the upper part 6 of the rod maybe also graduated as indicated in the drawing and that it may be locked in adjusted position by the setgscrew la.

In each of these formsI 'the upper part of the rod as indicated at 6 is connected to the lower part 5 by a pivotal joint 6a. the purpose of which will/be presently understood.

Considering the arrangement of Figs. l, 2 and 3 wherein the sleeve I is shown in vertical position. it will be seen that the graduated post Il) permits adjustment of the platform 3 with respect to the base I for the reception of the container 4 while at the same time graduations shown on the part 6 may be used to vregulate the distance of the contact element 9 above the bottom of the container 4.

However, in the forms shown in the remaining gures a quadrant I3 suitably graduated is fixed to the post 2 so that by tilting the upper section 6 of the rod the lower section 5 may be raised or lowered. The tilting of the upper section of Ithe rod 6 is accomplished by tilting the sleeve I and not only can the tilting raise and lower the end 9 but also by moving the upper section 6 through the sleeve 'I a compensating relation may be made between the bottom and the top of rthe con-tainer 4. This is likewise true in regard to Figs. 6 and 8.

For the purpose of indicating accurate contact with the upper surface of the material in the receptacle 4 the member 5 is curved as yat 5a and is provided with a lower end 9 which carries lower and upper contact members I5 and I6 which are held, to the member 5 as shown on one side of Fig. 7, by pivots Il.

Now let us consider the operation of the device rst in regard to Figs. 1, 2 and 3. The container 4 is placed in the platform 3 and in such position that the lower rod section 5 can reach the bottorn thereof. Between this bottom position and the position shown in Fig. 3 the graduations of the upper rod section 6 will appear with relation to the upper edge of the sleeve 1, The graduations 6 may be in any quantity Valuation, such as percentages or liquid measures. Also, for instance, the graduations are so arranged that they are in liquid measures and it is desired to fill the container full with deiinite parts of paint ground in linseed oil and of a dryer such as turpentine. In the rst place the rod composed of the elements S and 5 is inserted in the container as at Fig. 2 and is raised to measure, by its graduations, the contact 9 to a definite amount of one colo-r of paint such `as one-half pint. The container is then filled, in any suitable manner, with the rst paint until it measures at points, l5 and I5, it being understood that the point I5 will form a meniscus while the point I6 will barely Contact with the surface. The container 4, having been filled to this point another quantity of paint such as a pint of a dierent color is required to be filled therein. The graduated portion E of the rod is then lifted until the -space between the paint already in the container and that to be lled will amount to one pint. Again, the second paint is supplied to the container L'. until the contact device 9 is reached by the new supply of paint which is then cut off. supposing the container is one which is intended to contain one quart of paint mixed with turpentine. Then the device is adjusted to the position shown in Fig. 3 and turpentine is supplied until the indicator 9 shows that the container is suiciently filled. In :this manner the quantities, whether the three that have been described or various others, may be regulated. Furthermore, the containers may be of various heights and widths so that by adjusting the platform 3 on the post 2 and securing the same in position as by the set screw 3b this operation may be carried out irrespective of the heightl of the container.

Regarding such forms as Figs. 4, 5, 6 and 8 it will be observed that the arcuate scales 2l) may be used in exactly the same manner as the graduated rod portion 6, the only difference being that the graduated arcs may be used to indicate the vertical movements of the part 9.

What is claimed, i-s:

1. In a device for the purpose described, a base, a vertical post fixed to said base, a platform slidably mounted on said post, and constituting a container support, means to secure the platform in vertically adjusted position on the post, said post having its upper end curved to extend over the platform, a sleeve supported by the upper end of said post, a measuring rod movable through said sleeve and having its lower end adapted to engage the surface of a liquid held in a container on the platform, and means indicating the distance of said lower end above the bottom of a container supported on said platform.

2. In a device for the purpose described,'a base, a vertical post xed to said base, a platform slidably mounted on said post, and constituting a container support, means to secure the platform in vertically adjusted position on the post, said post having its upper end curved to extend over the platform, a sleeve supported by the upper end of said post, a measuring rod movable through said sleeve, a pair of contact members pivoted to the lower end of said rod and adapted to engage the surface of a liquid held in a container on the platform, thereby to indicate the distance of said lower end above the bottom of a container supported on said platform, and means for securing the rod in adjusted position in the sleeve.

3. In a device for the purpose described, a base, a vertical post fixed to said base, a platform -slidably mounted on said post, and constituting a container support, means to secure the platform in vertically adjusted position on the post, said post having its upper end curved to extend o-ver the platform, a sleeve supported by the upper end of said post, a measuring rod movable through said sleeve and having its lower end adapted to engage the surface of a liquid held in a container on the platform, said sleeve being pivoted to the upper end of said post to vary the inclination of :the rod thereto and-the rod comprising upper and lower pivotally connected sections whereby the lower section is constantly perpendicular, and a dial xed to said post concentric with said pivot, said dial being graduated to indicate in cooperation with said upper section the elevation of the lower end of said lower rod section above the bottom of a container supported on said platform.

MARIANO VERDUZCO. 

